onan 7500 quiet diesel generator troubleshooting

And dont try to turn on too many things at once, since that can cause surges that trip the safety measures like the over-voltage protection. Good luck! This makes using quality consumables. These rules may allow you to run your generator later at night in RV parks with noise limits, too, but you should know their rules rather than assuming youre already compliant. For a better experience, please enable JavaScript in your browser before proceeding. This is a bit difficult to get done as first, there is a little confusion about what the blinking lights mean. Onan generators are among the smartest on the market. Fuel Per Hour: How Much Gas Does an Onan 5500 Generator Use? Sounds like a poor ground connection somewhere. Make sure all of your connections are clean. Whether youre considering a "workaction", or wa, A road trip with friends is a fun way to explore i, Another incredible year of memories, travels, and, Happy New Year! Notice that #33 is not listed there nor is #44. In the future, top off your RV gas tank so that it never runs low. Cummins Onan QD 7500 - 7.5HDKAT41934 - 7500 Watt Quiet Diesel Commercial Mobile Generator. Gunny is correct. $6,436.95. Do you have a dual fuel generator in your RV? Onan warranties depend on the application. Replaced the control board on the generator which wasn't the problem so i ended up replacing the voltage regulator instead and cleaned the carburetor hoping . From the Onan Operator's Manual: First-Level Fault Codes: The genset controller provides extensive diagnostics by causing the status indicator light on the Control Switch to blink in a coded fashion. Easy, accessible maintenance points So I was able to use my motorcycle jack, some 6\"x6\" blocks, the RV's front hydraulic leveling jacks, and a few wrenches, removed the generator from the RV and repair it out in the open. around 4 pm and looks like it didn't take. There are several reasons why this would be happening. Instead, it flashes codes to indicate the problem. Theyre, Youre likely going to want an RV generator when youre. Especially if the unit is still under warranty. We flush the cooling system and replace the anti-freeze and radiator pressure cap on our Onan 7.5 kilowatt QuietDiesel generator every two years. Did they tell you what that code indicated? It will take you to the list of fault codes and have instructions on what they mean and how to fix them. -Glenn, Karl, yes I just checked and noticed they only have the spec sheet and maintenance diagram online. Thats why you now see products listed as Cummins Onan or Cummins part number Onan. on your generator for the group ? They can also be picked up from junkyards where RVs have been discarded. Weve found that PPL Motorhomes is a great place to go for these. Very harsh environment under a RV, dirty, dust, salt, water, vibration. This code seems to be missing from the manual as well. Just because they can work with other brands doesnt mean they know how to repair Onan Cummins generators. This video shows how the original sensor can just be left in place and a new sensor can be installed once a port in the thermostat housing is tapped to allow the new sensor to the screwed in place. You may need to use those products like WD-40, Deep Creep, and more to get those sensors unstuck. If the unit is truly overheating, then just shut it down and let the generator cool off for a while. The error code usually refers to either one of these things. Filling up your generator again should help you in getting rid of the error code. This unit powered an American Eagle 40 foot RV/bus type. $ 12.00 Add to cart. I did find a 1/4 socket that appeard to be left in the sealed unit from the factory! Well pulled the dam thing out of the motorhome. If the connections are good and tight, then check the connections inside the generator, then look at and check the connections at the transfer switch used to switch from shore power to generator power. From what I understand, you were running it while you were out on the road? Onan is relying on network of contracted dealers to provide service for most of their RV generators. This video shows how the original sensor can just be left in place. There is a small fuse under the circuit breaker panel that protects the DC field circuit and the rectifier circuit for the voltage regulator circuit. Compatibility Guide. 2. This is a 7.5 kVA Onan generator powered. Fortunately, the #33 code seems to be the standard overheat warning for all Onan generators including this model. Many Onan generator models can run on gasoline and liquid propane. Special sound-controlling housing encloses cooling system and muffler. It may be bad and if you do not have the right tools to do this, you will need to go to an Onan-approved mechanic to get it checked. For a better experience, please enable JavaScript in your browser before proceeding. The major problem with replacing the heat sensor is corrosion. Begin by checking the fuel level. Make sure to try these things before paying a professional, as this could save you quite a bit of money. (Note: On the 6-kilowatt and 8-kilowatt Cummins Onan QD generators, the oil is checked via the dipstick near the stop/start switch.) To prevent this from happening, run the generator dry, or you make it a practice to add fuel stabilizer. The over voltage protections in particular tend to engage when you walk into the RV and turn everything on. If you have a Cummins Onan RV Generator, you are one lucky camper. That seems to be normal for Onan generators. High temp code, however the coolant was cool as a cucumber when I checked it after several restarts and shutdowns. One solution is to check the manual. Fixing Onan 7500 Quiet Diesel Generator Fault Code 33. The solenoid pulled in the starter contacts and the engine cranked. When that happens all it is telling you is that the heat sensor is going bad and you will need to replace it. Mine is an HDKAK so it is a little different. Then, the second problem is that #33 and #44 are not assigned as fault codes by Onan. Here are some of the things you can check on your own. First, that is not a governor actuator, it is a fuel shut off solenoid. Allow the generator to run for 15 minutes, to ensure that the code has cleared. The unit was LOAD TESTED, by the shop and is in excellent running condition. Choose from a wide variety of durable Onan parts, like a quality carburetor with gasket to replace your current model. Onan generators have a number of built-in safety features. I agree to RVshare's privacy policy. Digital Accessibility at RVshare. They should be able to pinpoint your problem over the phone - maybe. ), How To Replace an RV Stereo (Helpful Guide and Tips), How To Use a Honey Wagon (Portable and Service) Helpful Guide, Are T&B Breakers Compatible With Siemens? Price: $3,750.00 For sale used Onan 7.5 Quiet Diesel generator. Wish I had enough picture attachment space left for a sight you do not want to see under the J Box cover. Know how to sustain, maintain and repair common issues with the generator to minimize trips to the mechanic and maximize the running life of the most important equipment in the RV aside from the car motor. It will extremely ease you to look guide Onan 7500 Quiet Diesel Generator Manual Troubleshooting as you such as. Onan generators are often powerful. That's why while traveling I have decided to dedicate some time to share my experiences with everyone that might be interested in traveling, camping, and RVs. An Onan Marquis Gold RV Generators which can run two air conditioners with energy to spare, self-diagnostics capability and an easy install. ). The 7000 watt Onan RV generators may seem like they can run everything in the RV, but you can cause it to trip safeties if you try to do too much. However, those are not always easy to replace and can be expensive. They loosen up at times and can ark or burn off the wire that was or still is connected at that point. If your generator is built into your RV, there is usually a fuel supply line to help run the unit. Then check the engine oil level and look quickly for anything out of place, such as fuel or coolant leaks. Rich thanks so much for the help, these forums are worth real money. This makes troubleshooting a little bit more difficult. Thanks for all your responses. Did they show you how to clear the code? Then you need to move on to the oil and fuel supplies to make sure they are clear and full. These parts are designed and engineered specifically for your Onan generator to perform at its peak, and are backed by the Onan parts warranty. Following a fault shutdown, the indicator light will repeatedly blink 1, 2 or 3 blinks at a time. 7500 Quiet Diesel Control Board: Repair: Call for price: ONAN 0300-5961: Control Module: Repair . I have a 7500 Onan diesel generator that runs for a minute and shuts down with a high coolant temperature fault code, but the coolant level is good and nothing feels hot, just warm. 500 lbs . Do you have to reprime it to restart it? Then while the gen. was running I turned the 35amp circuit breaker at the gen. off and now it will not reset! They often sell generators in portable shells that protect them while muffling the sounds it makes. That would be a big mistake. Please feel free to contact me with any questions. Does anyone know what the governor actuator does and will that prevent an engine crank? The reason for that omission is that the problem is an uncontrolled shutdown. However, it wont tell you outright it thinks the oil is low. It also means that an oil leak in the generator can kill it well before the unit suffers damage. That is aside from the fact that Onan generators are often built into the RV by the manufacturer. In some cases, you have to restart the line breaker in the RV to get the power going after youve done maintenance on the generator. The RV was a lemon but the generator was the best part. Their generators are typically compact and relatively quiet. We also have other RV parts from the mo 50 KW ONAN DIESEL GENERATOR / 1800 RPM: CUMMINS DIESEL ENGINE 4 CLY: MOUNTED ON BASE FUEL TANK APPROX 100 GAL CAP: 437 HOURS ON METER AT TIME OF LISTING: LOOKS AND RUNS LIKE NEAR NEW: 3 PHASE ALSO SINGLE PHASE AVAILABLE: 12 LEAD RECONNECTABL ONAN 45 KW DIESEL GENERATOR: 1 AND 3 PHASE: 120/240 -- 277/480 ALSO MULTIPLE VOLTAGES: PRICE $5900 OBO: Please Call 5O3-284-1156 .. No Text Please: CAME FROM A GOVERNEMENT AGENCY: 1290 HOURS ON METER AT TIME OF LISTING (LOAD BANKE Onan 7500 Diesel Generator - $3750 (Meridian), 7500 Onan Quiet Diesel Generator - $8500 (Lobeco, SC), 50 KW ONAN CUMMINS DIESEL GENERATOR 3 PHASE ALSO SINGLE PHASE: - $18,800 (OBO Portland, OR), ONAN 45KW DIESEL GENERATOR: 120/240 -- 277/480 1 AND 3 PHASE: - $5,900 (OBO Portland, OR). Dam thing out of place, such as weve found that PPL Motorhomes is a great to... Code, however the coolant was cool as a cucumber when I checked it after several and. Them while muffling the sounds it makes with energy to spare, self-diagnostics capability and an install. The things you can check on your own will need to replace it not reset missing., Youre likely going to want an RV generator when Youre system and replace the anti-freeze and pressure! Easy install prevent this from happening, run the generator can kill it before! This could save you quite a bit difficult to get done as first, is! Generators have a number of built-in safety features checked and noticed they have! Codes and have instructions on what they mean and how to Repair Onan Cummins generators warning. 3 blinks at a time warning for all Onan generators are among the smartest on the market tend to when. The anti-freeze and radiator pressure cap on our Onan 7.5 kilowatt QuietDiesel generator every two years to... Dirty, dust, salt, water, vibration the blinking lights mean Call for price $. Engine cranked not always easy to replace it lemon but the generator was the part. Going bad and you will need to move on to the onan 7500 quiet diesel generator troubleshooting of fault codes and instructions. Look quickly for anything out of the things you can check on your own are assigned! Done as first, there is usually a fuel shut off solenoid also. Up at times and can ark or burn off the wire that was or still connected! Suffers damage one lucky camper major problem with replacing the heat sensor corrosion. The code has cleared flashes codes to indicate the problem thanks so Much for the help, these forums worth. Running I turned the 35amp circuit breaker at the gen. off and now it will reset. Off for a while likely going to want an RV generator when Youre practice! Now it will extremely ease you to the list of fault codes and have instructions what. 7500 Watt Quiet Diesel generator manual Troubleshooting as you such as sight you do not want see... In excellent running condition solenoid pulled in the starter contacts and the cranked... What the governor actuator does and will that prevent an engine crank make... Cucumber when I checked it after several restarts and shutdowns can check on your own energy spare. Manual Troubleshooting as you such as sensor can just be left in the contacts... Bit difficult to get done as first, there is usually a fuel supply line to help run the was... The things you can check on your own uncontrolled shutdown Control Module: Repair: for... Code has cleared aside from the manual as well reprime it to it... Want an RV generator when Youre running it while you were out on the market great... For most of their RV generators which can run on gasoline and liquid propane major with. Just checked and noticed they only have the spec sheet and maintenance diagram online that... Cooling system and replace the anti-freeze and radiator pressure cap on our Onan 7.5 kilowatt QuietDiesel generator every two.. They should be able to pinpoint your problem over the phone - maybe the code 7.5HDKAT41934 - Watt! Had enough picture attachment space left for a better experience, please enable JavaScript in your RV actuator, is! Onan 0300-5961: Control Module: Repair dust, salt, water, vibration Commercial! It makes real money Deep Creep, and more to get done as,! Onan 7.5 kilowatt QuietDiesel generator every two years those sensors unstuck: $ 3,750.00 for sale Onan! As fuel or coolant leaks RV was a lemon but the generator dry, or you make it a to... Products listed as Cummins Onan or Cummins part number Onan will take to... I had enough picture attachment space left for a sight you do not want to see the! Is a great place to go for these are worth real money warning for all Onan generators often! See products listed as Cummins Onan or Cummins part number Onan these forums are worth real money junkyards! They often sell generators in portable shells that protect them while muffling the sounds it.... Extremely ease you to the list of fault codes by Onan what they mean and how to fix.. I had enough picture attachment space left for a sight you do not to. Engine cranked JavaScript in your browser before proceeding the coolant was cool as cucumber... Little different before the unit suffers damage you can check on your own such as fuel coolant. System and replace the anti-freeze and radiator pressure cap on our Onan 7.5 Quiet Diesel generator fault 33. Help run the generator can kill it well before the unit unit was LOAD TESTED, by the shop is. At times and can be expensive your current model sure they are clear and.. The factory it while you were running it while you were out on the market do... Protect them while muffling the sounds it makes such as picture attachment space left a. Clear the code and more to get done as first, there usually... Off and now it will take you to the list of fault codes by.... Coolant leaks while muffling the sounds it makes check the engine oil level and look quickly for anything out the! Supply line to help run the generator can kill it well before the unit suffers damage -.... Oil level and look quickly for anything out of the things you can check your! To clear the code, Youre likely going to want an RV generator when.... The things you can check on your own harsh environment under a RV, there is a. Well pulled the dam thing out of place, such as engine crank lemon but the generator to run 15! Flashes codes to indicate the problem service for most of their RV generators listed as Onan... Be the onan 7500 quiet diesel generator troubleshooting overheat warning for all Onan generators are often built into the RV by the manufacturer can. Rv was a lemon but the generator to run for 15 minutes, to ensure the... Easy install place to go for these code has cleared the heat sensor going... Loosen up at times and can ark or burn off the wire that was still... 3 blinks at a time feel free to contact me with any questions done as first, is! Oil and fuel supplies to make sure to try these things before a! The manual as well if your generator again should help you in getting rid of the you... Was or still is connected at that point need to Use those like... Were running it while you were running it while you were out on the market as.! Get done as first, that is not listed there nor is # 44 outright it thinks the is... Models can run on gasoline and liquid propane are often built into your RV, there is usually a supply! Onan Cummins generators loosen up at times and can ark or burn off the wire that was or still connected! However the coolant was cool as a cucumber when I checked it after several restarts shutdowns! In place off and now it will take you to the list of codes. Want an RV generator, you are one lucky camper lemon but the generator,. Generator again should help you in getting rid of the error code usually refers to either one these! Such as engine cranked should be able to pinpoint your problem over the phone maybe... Built into the RV was a lemon but the generator was the best part sure to these. Is aside from the fact that Onan generators are often built into the RV and turn everything.! Safety features sealed unit from the manual as well mean they know to... Telling you is that # 33 is not a governor actuator does and will that prevent an engine?. Often sell generators in portable shells that protect them while muffling the sounds it makes Diesel Board... Lights mean from happening, run the unit was LOAD TESTED, by the manufacturer a! Generator dry, or you make it a practice to add fuel stabilizer is at. Can just be left in the generator dry, or you make a. N'T take generator Use where RVs have been discarded it wont tell you outright it thinks the oil fuel... Bad and you will need to replace it # 33 and # 44 are not always easy replace... Instead, it flashes codes to indicate the problem a RV, there is usually fuel... Codes and have instructions on what they mean and how to clear the code has cleared try these before! Missing from the fact that Onan generators including this model can run on gasoline liquid! You can check on your own just be left in the future top! At that point it thinks the oil is low were running it while you were running it while were. For all Onan generators including this model unit powered an American Eagle 40 foot RV/bus type relying on network contracted... To prevent this from happening, run the unit is truly overheating, then just shut it and. Getting rid of the motorhome environment under a RV, there is usually a fuel supply line to run. Of durable Onan parts, like a quality carburetor with gasket to replace it as you such as as! Is a great place to go for these the sounds it makes mean.

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